A review on autogenous self‑healing behavior of ultra‑high performance fiber reinforced concrete (UHPFRC)

Yao, Chao; Shen, Aiqin; Guo, Yinchuan; Lyu, Zhenghua; He, Ziming; Wu, Hansong

doi:10.1007/s43452-022-00462-0

Artykuł - szczegóły

Tytuł artykułu

A review on autogenous self‑healing behavior of ultra‑high performance fiber reinforced concrete (UHPFRC)

Autorzy

Yao Chao , Shen Aiqin , Guo Yinchuan , Lyu Zhenghua , He Ziming , Wu Hansong

Wybrane pełne teksty z tego czasopisma

http://www.springer.com/journal/43452

Identyfikatory

DOI

10.1007/s43452-022-00462-0

Warianty tytułu

Języki publikacji

Abstrakty

Ultra-high performance fiber reinforced concrete (UHPFRC) is well known for its superior workability, strength, ductility as well as durability, but its intrinsic self-healing ability is rarely valued and developed. This review focuses on the inherent potential or superiority, characterization, and mechanism of autogenous healing UHPFRC, aiming to obtain fundamental data for its mixture innovation, design, and application. High potentialities of autogenous self-healing UHPFRC depend on its excellent component requirements (fiber; abundant binding particles), mix design (high cementitious materials content, low water-binder ratio, moderate fiber content), rehydration capacity, and shrinkage or loading-initiated cracking features. Meantime, the generation of cracks makes the internal substances include active ingredients exposed to the external environment such as air, water, and temperature, which induces physical, chemical, and mechanical interaction between them at cracks. Intrinsic partial or entire sealing of the multiple cracks in UHPFRC has been proven to improve the safety and durability of UHPFRC infrastructures. A higher healing rate exists in cracks with a width of 75-175 μm, which is connected with crack healing kinetics, and the width of total healing cracks can reach up to 162 μm, which is mainly filled with calcium carbonate. Continuous accumulation of healing products at cracks can effectively improve the mechanical properties and suppress the decay of transport performance and steel fiber corrosion. Furthermore, mild fiber corrosion contributes to the partial restoration of flexural strength during the self-healing process.

Słowa kluczowe

reinforced concrete ultra-high performance fiber self-healing concrete

beton wzmocniony wysoka wydajność beton samonaprawialny

Wydawca

Springer
Wrocław University of Science and Technology

Czasopismo

Archives of Civil and Mechanical Engineering

Rocznik

2022

Tom

Vol. 22, no. 3

Strony

art. no. e145

Opis fizyczny

Bibliogr. 98 poz., rys., tab., wykr.

Twórcy

autor

Yao Chao

yaochao@chd.edu.cn

School of Highway, Chang’an University, South 2nd Ring Road Middle Section, Xi’an 710064, Shaanxi, China
Key Laboratory for Special Area Highway Engineering of Ministry of Education, Chang’an University, South 2nd Ring Road Middle Section, Xi’an 710064, Shaanxi, China

https://orcid.org/0000-0003-0906-4302

autor

Shen Aiqin

School of Highway, Chang’an University, South 2nd Ring Road Middle Section, Xi’an 710064, Shaanxi, China
Key Laboratory for Special Area Highway Engineering of Ministry of Education, Chang’an University, South 2nd Ring Road Middle Section, Xi’an 710064, Shaanxi, China

autor

Guo Yinchuan

School of Highway, Chang’an University, South 2nd Ring Road Middle Section, Xi’an 710064, Shaanxi, China
Key Laboratory for Special Area Highway Engineering of Ministry of Education, Chang’an University, South 2nd Ring Road Middle Section, Xi’an 710064, Shaanxi, China

autor

Lyu Zhenghua

School of Highway, Chang’an University, South 2nd Ring Road Middle Section, Xi’an 710064, Shaanxi, China
Key Laboratory for Special Area Highway Engineering of Ministry of Education, Chang’an University, South 2nd Ring Road Middle Section, Xi’an 710064, Shaanxi, China

autor

He Ziming

School of Highway, Chang’an University, South 2nd Ring Road Middle Section, Xi’an 710064, Shaanxi, China
Key Laboratory for Special Area Highway Engineering of Ministry of Education, Chang’an University, South 2nd Ring Road Middle Section, Xi’an 710064, Shaanxi, China

autor

Wu Hansong

School of Highway, Chang’an University, South 2nd Ring Road Middle Section, Xi’an 710064, Shaanxi, China
Key Laboratory for Special Area Highway Engineering of Ministry of Education, Chang’an University, South 2nd Ring Road Middle Section, Xi’an 710064, Shaanxi, China

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023)

Typ dokumentu

Bibliografia

Identyfikator YADDA

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